Figure 4: DFA of the series with correlated trend A[X(i)]p, that is, Y(i)=X(i)+A[X(i)]p, where A=1, (a) p=1.8. (b) p=1.9. (c) p=2.8. (d) p=2.9. (e) p=3.8. (f) p=3.9. (a)→(b) is the process that crossover s1x(1) changes from 84(<100) to 106(>100). (c)→(d) is the “vanishing’’ process of s1x(1) and s1x(2) while (e)→(f) is the “vanishing’’ process of s1x(n),n=3,4,5. Some typical crossovers are tagged by arrows.